CN211901632U

CN211901632U - Electric flat gate valve device

Info

Publication number: CN211901632U
Application number: CN202020453631.XU
Authority: CN
Inventors: 张乐廷; 吴云峰
Original assignee: Chengdu Kaidepu Automation Equipment Co ltd
Current assignee: Chengdu Kaidepu Automation Equipment Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-11-10
Anticipated expiration: 2030-03-31

Abstract

The utility model provides an electronic plate valve device relates to blowing valve technical field, and it is provided with the flashboard including the first floodgate room and the second floodgate room that set up side by side in the first floodgate room, is connected with the electronic lead screw mechanism of drive flashboard reciprocating motion between first floodgate room and second floodgate room on the flashboard, is provided with the electric detection device who detects flashboard shift position among the electronic lead screw mechanism, and the both sides of flashboard are provided with guiding mechanism. The problems of poor discharging precision and high failure rate of a discharging gate valve in the existing discharging equipment are solved.

Description

Electric flat gate valve device

Technical Field

The utility model relates to a blowing valve technical field especially relates to an electronic plate valve device.

Background

Along with the development of automation technology, the material discharging requirement is higher and higher, especially for the material discharging in the field of oil and gas equipment, the requirement cannot be met by adopting a manual or common electric gate for fast, high-frequency and high-precision material distribution, and especially harmful chemical materials have great harm to the human body. The distribution of corrosive materials under the requirements of high speed, high frequency and high precision becomes a difficult point of material discharge.

In the existing discharging equipment, the discharging equipment is a rough common discharging gate valve, the structural configuration is simple, the cost is low, the discharging precision is not high, and the failure rate is high under high speed and high frequency.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem among the prior art, the utility model provides an electronic plate valve device has solved the poor and high problem of fault rate of blowing gate valve blowing precision among the current blowing equipment.

In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:

the utility model provides an electronic plate valve device, its includes first floodgate room and the second floodgate room that sets up side by side, is provided with the flashboard in the first floodgate room, is connected with the electronic lead screw mechanism of drive flashboard reciprocating motion between first floodgate room and second floodgate room on the flashboard, is provided with the electric detection device who detects flashboard shift position among the electronic lead screw mechanism, and the both sides of flashboard are provided with guiding mechanism.

Further, electronic lead screw mechanism includes that lead screw and screw thread cup joint the lead screw nut on the lead screw, and the lead screw passes through gear motor drive rotation, and the flashboard is fixed in on the lead screw nut. The lead screw rotates the round, and lead screw nut moves a pitch on the lead screw, can control the displacement distance of lead screw nut on the lead screw through the rotation number of turns of control gear motor, and then the aperture of control flashboard reaches the purpose of accurate control blowing volume. The electric detection device can detect a signal of the lead screw nut returning to the initial position and feed back the signal to the control system to stop the speed reduction motor, so that the automation degree and the reliability of the electric flat gate valve are improved.

Further, a motor in the speed reducing motor is a servo motor, a stepping motor or a three-phase asynchronous motor, and a speed reducer in the speed reducing motor is a planetary gear speed reducer or a worm and gear speed reducer. The planetary gear reducer has high transmission efficiency, can ensure transmission precision, can realize the function of self-protection of motor overload, and avoids motor damage caused by abnormal conditions such as material blocking.

Furthermore, gear motor has two output, one of them output and lead screw fixed connection, is connected with detachable crank on the other output. The lead screw can be rotated through the hand crank, so that the manual switch of the flashboard is realized, and the convenience of operation is improved.

Furthermore, first floodgate room and second floodgate room are enclosed by the gate valve frame and form, and the gate valve frame includes the rectangle frame and is fixed in the middle separation post of rectangle frame, is provided with the via hole that supplies the flashboard to pass through on the separation post. The separation column can be used as a partition for separating the first gate chamber from the second gate chamber and also can be used as a mechanical limiting mechanism of the screw nut, so that the flashboard is prevented from excessively moving into the second gate chamber, the reliability of the gate valve is improved, and the control process is simplified.

Furthermore, a speed reducing motor is installed on the outer side of the rectangular outer frame, one end of a screw rod is fixedly connected to an output shaft of the speed reducing motor, and the other end of the screw rod is connected to the separation column through a bearing tailstock in a supporting mode. The lead screw stretches across the below of setting at the flashboard, and gear motor installs in the rectangle frame outside of lead screw one end for whole plate valve's structure is compacter.

Further, the bottom surface of one end, close to the speed reduction motor, of the flashboard is fixedly connected with the screw nut, and the one-way moving distance of the screw nut on the screw is equal to the opening degree of the second brake chamber. When making the flashboard close the second lock chamber completely, screw nut is at the leftmost end of first lock chamber, and when the second lock chamber was opened completely to the flashboard, screw nut was at the rightmost end of first lock chamber, made whole flat gate valve's volume littleer, and control process is simple more reliable.

Further, the electric detection device is a proximity sensor arranged at two ends of the first chamber, and detection plates of the proximity sensor are fixed at two ends of the flashboard. The initial and final positions of the flashboard are judged by detecting the detection plate on the flashboard through the proximity sensor, and the speed reducing motor is automatically opened or closed through the opportunity of the signal detected by the proximity sensor, so that the flashboard is more timely and reliable to open and close.

Further, guiding mechanism rotates the guide pulley including connecting the one row of support on first floodgate room and the indoor both sides inner wall of second floodgate, supports to rotate the guide pulley and be located the below of flashboard and with the flashboard butt, the top of flashboard is provided with the support direction limiting plate. The support for supporting the rotating guide wheel is arranged below the flashboard, so that the sliding friction force at the abutted part can be converted into the rolling friction force, and the resistance applied to the flashboard in the sliding process is smaller, and the sliding is smoother; the support direction limiting plate is used for limiting the upwards movement of the flashboard, the support rotation guide wheel is used for limiting the downwards movement of the flashboard, the sliding of the flashboard is guided, and the flashboard is more stable in the process of closing or opening the second brake chamber.

The utility model has the advantages that: the first gate chamber is used for accommodating the gate plate, the electric screw mechanism of the gate plate is driven to move left and right to realize the opening and closing of the second gate chamber, the electric screw mechanism is driven by electric power, the efficiency is higher, the response speed is higher, the transmission mechanism is a screw mechanism, the moving distance of the gate plate corresponds to the number of rotation turns of the motor one by one, the opening degree of the gate plate is easier to control, and the control precision is higher; during the flashboard moved to the second lock chamber from first lock chamber horizontal migration, the guiding mechanism that the both sides of flashboard set up can carry out accurate direction and reduce the removal resistance that receives to the shift position of flashboard, makes the removal of flashboard more smooth-going, has improved the stability of plate valve switch in-process.

Drawings

Fig. 1 is a top perspective view of an electric flat gate valve device from an oblique upper side.

Fig. 2 is a bottom perspective view of the electric flat gate valve device in a diagonally downward direction.

Wherein, 1, a first gate chamber; 2. a second lock chamber; 3. a shutter plate; 4. an electric lead screw mechanism; 41. a lead screw; 411. a bearing tailstock; 42. a lead screw nut; 43. a reduction motor; 44. an electrical detection device; 5. a guide mechanism; 51. supporting the rotating guide wheel; 52. supporting a guide limit plate; 6. a hand crank; 7. a gate valve frame; 71. a rectangular outer frame; 72. separating the columns; 721. and (6) a via hole.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes will be apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all inventions contemplated by the present invention are protected.

As shown in fig. 1, the electric flat gate valve device includes a first chamber 1 and a second chamber 2 arranged side by side, a gate plate 3 is provided in the first chamber 1, an electric screw mechanism 4 for driving the gate plate 3 to reciprocate between the first chamber 1 and the second chamber 2 is connected to the gate plate 3, an electric detection device 44 for detecting a moving position of the gate plate 3 is provided in the electric screw mechanism 4, and guide mechanisms 5 are provided on both sides of the gate plate 3.

The first gate chamber 1 and the second gate chamber 2 are surrounded by a gate valve frame 7, the first gate chamber 1 is located on the right side of the second gate chamber 2, the gate valve frame 7 comprises a rectangular outer frame 71 and a separation column 72 fixed in the middle of the rectangular outer frame 71, and a through hole 721 for the gate plate 3 to pass through is arranged on the separation column 72.

The guide mechanism 5 comprises a row of supporting rotary guide wheels 51 rotatably connected to the side wall of the first chamber 1 or the second chamber 2, a row of supporting rotary guide wheels 51 are respectively mounted on the inner sides of two long edges of the rectangular outer frame 71, and the supporting rotary guide wheels 51 are arranged at intervals. The support rotation guide wheel 51 is located below the shutter 3 and abuts against the shutter 3, and a support guide stopper plate 52 is provided above the shutter 3. The support guide limiting plate 52 is a pressing plate in an L shape, the horizontal plate of the pressing plate is located above the gate plate 3, the vertical plate is connected to the rectangular outer frame 71 through a threaded fastener, and a strip-shaped hole for the threaded fastener to pass through is vertically formed in the vertical plate, so that the pressing plate can move up and down after the threaded fastener is loosened. An adjusting screw is abutted to the top surface of the horizontal plate and is in threaded connection with a connecting plate fixed on the gate valve frame 7, and the connecting plate is positioned right above the horizontal plate. The tightness degree of the pressing plate pressed on the flashboard 3 can be adjusted through the adjusting screw. The support guide limit plate 52 is clamped on the slide guide surface of the gate plate, and plays a role in guiding and limiting the movement of the gate plate.

As shown in fig. 2, the electric screw mechanism 4 includes a screw 41 and a screw nut 42 threadedly engaged with the screw 41, and a bottom surface of one end of the shutter 3 away from the second chamber 2 is connected to the screw nut 42 by a threaded fastener. The distance of movement of the spindle nut 42 on the spindle 41 is equal to the opening of the second lock chamber 2. The opening degree of the second chamber 2 is a distance along the axial direction of the lead screw 41 by which the second chamber 2 is fully closed to the fully open shutter 3.

One end of the screw 41 is supported and connected to the separating column 72 through a bearing tailstock 411, and the other end of the screw 41 is connected to an output shaft of the reduction motor 43, and the screw 41 is driven to rotate by the reduction motor 43. The reduction motor 43 is mounted on the outside of a rectangular outer frame 71 on the side of the first lock chamber 1 away from the second lock chamber 2. The motor in the speed reducing motor 43 is a servo motor, a stepping motor or a three-phase asynchronous motor, the control speed and the position precision of the motor are very accurate, and electric energy can be converted into torque and rotating speed to drive a lead screw to rotate so as to control the high-precision switch of the brake plate.

The speed reducer in the reduction motor 43 is a planetary gear speed reducer or a worm gear speed reducer, and a double-output-hole-shaft speed reducer is selected, so that double functions of automatic switching and manual switching are realized. The reduction motor 43 has two outputs, in the direction shown in fig. 1, the left output is an output shaft which is coaxially and fixedly connected with the screw rod 41, the right output is an output hole which can be plugged with the crank 6, and the rotation of the two outputs is always synchronous. In case the motor is switched off, the lead screw 41 can be turned manually by mounting the hand crank 6.

As shown in fig. 2, the electric detection devices 44 are proximity sensors disposed at two ends of the first chamber 1, detection plates of the proximity sensors are fixed at two ends of the shutter 3, and the system zero-return and limit of the shutter are realized by detecting the position of the shutter by the proximity sensors. The proximity sensor may be used with model number BD8-S1S1-M18S, corresponding to the connector CWF 3-M12-100U.

When needs blowing, trigger the flashboard and open the signal, can open flashboard 3 automatically under gear motor 43's drive and begin the blowing, whole opening process divide into with higher speed, at the uniform velocity, slow down and stop three stages and all can independently adjust the purpose of steadily opening. The opening speed is infinitely adjustable within the range, and a plurality of opening speeds can be set to meet the opening requirements of different working conditions. Meanwhile, the open position of the gate plate can be stopped at will in the stroke, and different gate plate discharging open positions are set according to different discharging processes.

The gate board is opened in place and then automatically stops, the in-place signal automatically stops in place through a servo motor running position mode (a servo control PR mode), the motor can also be controlled to stop through in-place detection feedback, and if the motor is a three-phase asynchronous motor, the motor is controlled to stop through detection of in-place switching value signals in a feedback mode. And after discharging is finished, triggering a flashboard closing signal, and automatically closing the flashboard at a closing speed. The opening and closing speed of the gate plate can be steplessly adjusted within the range.

The trigger emptying or closing signal can adopt two modes of automatic triggering and manual triggering, wherein the automatic triggering needs a system program to send an instruction, and automatic feedback of a sensor and the like; manual triggering is realized in a button control mode and can be remotely controlled in a wireless mode; after the operation signal is triggered, the motor is started to drive the speed reducer and the lead screw to rotate, and the lead screw nut and the flashboard are driven to move linearly, so that the flashboard is opened and closed.

Claims

1. The utility model provides an electronic plate valve device, its characterized in that, includes first lock chamber (1) and second lock chamber (2) that set up side by side, be provided with flashboard (3) in first lock chamber (1), be connected with the drive on flashboard (3) are in first lock chamber (1) with reciprocating motion's electronic screw mechanism (4) between second lock chamber (2), be provided with the detection in electronic screw mechanism (4) electric detection device (44) of flashboard (3) shift position, the both sides of flashboard (3) are provided with guiding mechanism (5).

2. The electric flat gate valve device according to claim 1, wherein the electric screw mechanism (4) comprises a screw (41) and a screw nut (42) threaded on the screw (41), the screw (41) is driven to rotate by a speed reduction motor (43), and the gate (3) is fixed on the screw nut (42).

3. The electric flat gate valve device according to claim 2, wherein the motor of the reduction motor (43) is a servo motor, a stepping motor or a three-phase asynchronous motor, and the reducer of the reduction motor (43) is a planetary gear reducer or a worm gear reducer.

4. An electric sluice valve device according to claim 3, characterised in that the reduction motor (43) has two outputs, one of which is fixedly connected to the feed screw (41) and the other of which is connected to a detachable hand lever (6).

5. The electric flat gate valve device according to claim 2, wherein the first gate chamber (1) and the second gate chamber (2) are surrounded by a gate valve frame (7), the gate valve frame (7) comprises a rectangular outer frame (71) and a partition column (72) fixed in the middle of the rectangular outer frame (71), and the partition column (72) is provided with a through hole (721) for the gate plate (3) to pass through.

6. The electric flat gate valve device according to claim 5, wherein the speed reduction motor (43) is installed at an outer side of the rectangular outer frame (71), one end of the screw rod (41) is fixedly connected to an output shaft of the speed reduction motor (43), and the other end of the screw rod (41) is supported and connected to the separation column (72) through a bearing tail seat (411).

7. An electric flat gate valve device according to claim 5 or 6, characterized in that the bottom surface of the shutter (3) adjacent to one end of the speed reduction motor (43) is fixedly connected with the lead screw nut (42), and the one-way movement distance of the lead screw nut (42) on the lead screw (41) is equal to the opening degree of the second gate chamber (2).

8. An electric flat gate valve device according to claim 2, wherein the electric detection means (44) is a proximity sensor provided at both ends of the first gate chamber (1), and detection plates of the proximity sensor are fixed to both ends of the gate plate (3).

9. An electric flat gate valve device according to claim 1, characterized in that the guiding mechanism (5) comprises a row of supporting rotating guide wheels (51) connected to the inner walls of both sides of the first gate chamber (1) and the second gate chamber (2), the supporting rotating guide wheels (51) are located below the gate plate (3) and abut against the gate plate (3), and a supporting guiding limit plate (52) is arranged above the gate plate (3).